#include <LedControl.h>

// Configurazione dei pin: DIN, CLK, CS
LedControl lc = LedControl(8, 10, 9, 1);  // (DIN=8, CLK=10, CS=9)

// Array
const uint8_t IMAGES[][8] = {
  {
    0b00011000,
    0b00111100,
    0b01111110,
    0b11111111,
    0b00011000,
    0b00011000,
    0b00011000,
    0b00011000
  },
  {
    0b00011111,
    0b00001111,
    0b00011111,
    0b00111111,
    0b01111001,
    0b11110000,
    0b11100000,
    0b11000000
  },
  {
    0b00001000,
    0b00001100,
    0b00001110,
    0b11111111,
    0b11111111,
    0b00001110,
    0b00001100,
    0b00001000
  },
  {
    0b11100000,
    0b11110000,
    0b01111000,
    0b00111101,
    0b00011111,
    0b00001111,
    0b00001111,
    0b00011111
  },
  {
    0b00011000,
    0b00011000,
    0b00011000,
    0b00011000,
    0b11111111,
    0b01111110,
    0b00111100,
    0b00011000
  },
  {
    0b00000011,
    0b00000111,
    0b00001111,
    0b10011110,
    0b11111100,
    0b11111000,
    0b11110000,
    0b11111000
  },
  {
    0b00010000,
    0b00110000,
    0b01110000,
    0b11111111,
    0b11111111,
    0b01110000,
    0b00110000,
    0b00010000
  },
  {
    0b11111000,
    0b11110000,
    0b11110000,
    0b11111000,
    0b10111100,
    0b00011110,
    0b00001111,
    0b00000111
  }
};

// Calcola il numero di immagini
const int IMAGES_LEN = sizeof(IMAGES) / sizeof(IMAGES[0]);

void setup() {
  lc.shutdown(0, false);      // Attiva il display
  lc.setIntensity(0, 8);       // Imposta la luminosità 
  lc.clearDisplay(0);          // Pulisce il display
}

void loop() {
  for (int i = 0; i < IMAGES_LEN; i++) {//ciclo for
    displayImage(IMAGES[i]);    // Mostra l'immagine
    delay(300);                 // Ritardo
  }
}

// Funzione per stampare la freccia
void displayImage(const uint8_t image[8]) {
  for (int row = 0; row < 8; row++) {
    lc.setRow(0, row, image[row]);
  }
}